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wt decrease » _ decrease (Expand Search), awd decreased (Expand Search), step decrease (Expand Search)
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we decrease » _ decrease (Expand Search), mean decrease (Expand Search), teer decrease (Expand Search)
a decrease » _ decrease (Expand Search), _ decreased (Expand Search), _ decreases (Expand Search)
wt decrease » _ decrease (Expand Search), awd decreased (Expand Search), step decrease (Expand Search)
nn decrease » _ decrease (Expand Search), mean decrease (Expand Search), gy decreased (Expand Search)
we decrease » _ decrease (Expand Search), mean decrease (Expand Search), teer decrease (Expand Search)
a decrease » _ decrease (Expand Search), _ decreased (Expand Search), _ decreases (Expand Search)
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Nonstoichiometric Control of Tunnel-Filling Order, Thermal Expansion, and Dielectric Relaxation in Tetragonal Tungsten Bronzes Ba<sub>0.5–<i>x</i></sub>TaO<sub>3–<i>x</i></sub>
Published 2015“…In contrast with stoichiometric Ba<sub>6</sub>GaTa<sub>9</sub>O<sub>30</sub>, which shows linear thermal expansion of the cell parameters and monotonic decrease of permittivity with temperature within 100–800 K, these TTB superstructures and slightly nonstoichiometric simple TTB Ba<sub>0.4</sub>TaO<sub>2.9</sub> display abnormally broad and frequency-dependent extrinsic dielectric relaxations in 10<sup>3</sup>–10<sup>5</sup> Hz above room temperature, a linear deviation of the <i>c</i>-axis thermal expansion around 600 K, and high dielectric permittivity ∼60–95 at 1 MHz at room temperature.…”
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